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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 28 — Dec. 31, 2012
  • pp: 29196–29209

Polarization maintaining multiple-depth en face optical coherence tomography system using active re-circulation loops in the non-stationary state

John A. Rogers, Adrian Bradu, and Adrian Gh. Podoleanu  »View Author Affiliations


Optics Express, Vol. 20, Issue 28, pp. 29196-29209 (2012)
http://dx.doi.org/10.1364/OE.20.029196


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Abstract

Multiple path optical coherence tomography using re-circulating loops has previously been presented as a means of simultaneously acquiring images from multiple depths in multiple imaging channels. The configurations reported so far present the drawback that the strength of the signal from one channel to the next, reduced as the number of circulations increased. A decay of signal of not better than 4 dB from one channel to the next was reported. We present a technique to reduce this attenuation by using polarization maintaining fiber, and modulation of the drive current of the semiconductor optical amplifiers contained in each arm. The effect of these improvements resulted in a decay less than 20 dB from the 1st channel to the 10th channel.

© 2012 OSA

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(110.4500) Imaging systems : Optical coherence tomography
(140.3460) Lasers and laser optics : Lasers
(140.4480) Lasers and laser optics : Optical amplifiers
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Imaging Systems

History
Original Manuscript: September 6, 2012
Revised Manuscript: November 29, 2012
Manuscript Accepted: November 30, 2012
Published: December 17, 2012

Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics

Citation
John A. Rogers, Adrian Bradu, and Adrian Gh. Podoleanu, "Polarization maintaining multiple-depth en face optical coherence tomography system using active re-circulation loops in the non-stationary state," Opt. Express 20, 29196-29209 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-28-29196


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References

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